Display screen or portion thereof with icon



FIG. 1 is a front view of a display screen or portion thereof with icon showing our new design; and,

FIG. 2 is an enlarged view of the icon as shown in FIG. 1.

The pair of evenly spaced broken lines depict the display screen or portion thereof and form no part of the claimed design. 

CLAIM We claim the ornamental design for a display screen or portion thereof with icon, as shown and described. 